AI skill for OpenClaw & Claude Code — recommend from 10000+ Nano Banana Pro (Gemini) image prompts. Smart search by use case, content remix, sample images.
This report presents the forensic synthetic code analysis of YouMind-OpenLab/nano-banana-pro-prompts-recommend-skill, a TypeScript project with 1,763 GitHub stars. SynthScan v2.0 examined 19,343 lines of code across 15 source files, recording 29 pattern matches distributed across 6 syntactic categories. The overall adjusted score of 3.4 places this repository in the Likely human-written band.
The scanner applied 160+ deterministic lexical heuristics, multi-line block detectors, abstract syntax tree depth profilers, and a cross-file Jaccard similarity matrix to construct a statistically normalised synthetic code estimate. All matches are individually weighted by severity coefficient and contextual multiplier before summation, and the resulting headline score is temporally discounted to account for the repository's development history relative to the commercial emergence of large language model coding tooling (November 2022 onward).
This chart maps the temporal evolution of the adjusted synthetic code score across successive scan runs. An upward trajectory indicates ongoing incorporation of AI-generated code or expanding LLM-assisted scaffolding; a stable or declining trajectory may reflect active human refactoring, code removal, or the adoption of stricter authorship policies. The dashed secondary line (right axis) independently tracks total raw pattern hit count, which can diverge from the normalised score when codebase size changes significantly between scans.
Classifies detected patterns by their diagnostic confidence and structural impact. CRITICAL patterns (coefficient 10) represent definitive synthetic signatures — hallucinated imports, explicit LLM attribution metadata — virtually never produced by human authors. HIGH (5) indicates strong structural tells such as cross-file repetition or cross-linguistic idioms. MEDIUM (2) covers recognisable conversational padding and AI-specific vocabulary. LOW (1) captures subtle indicators like tautological comments and generic boilerplate that require density to carry independent signal.
This horizontal bar chart decomposes the repository's raw synthetic code score by top-level directory, allowing you to pinpoint precisely which modules or components carry the highest AI authorship density. Directories with disproportionately high scores relative to their size warrant targeted manual review: concentrated AI signatures often trace back to mass-generated configuration layers, auto-ported test suites, LLM-scaffolded boilerplate classes, or entire subsystems authored under heavy copilot assistance. Use this view to prioritise your human code-review effort.
The scanner identified 29 distinct pattern matches across 6 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a statistically significant AI authorship indicator. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.
Reading the findings table: The Severity column indicates the diagnostic confidence level (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — comment-context matches receive a ×1.5 weight because LLMs systematically over-annotate. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier as dense clusters constitute far stronger evidence of synthetic authorship than isolated hits.
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| HIGH | references/youtube-thumbnail.json | 277 | "description": "A summary of a cinematic food short video prompt, which was used to generate images in Nano Banana P | CODE |
| HIGH | references/youtube-thumbnail.json | 341 | "description": "A prompt used for image generation (Nano Banana Pro) and subsequent video generation (Kling 3.0 Omni | CODE |
| HIGH | references/youtube-thumbnail.json | 361 | "description": "A prompt, generated by GPT-5, used to create images with Nano Banana Pro that were then sequenced in | CODE |
| HIGH | references/youtube-thumbnail.json | 412 | "description": "A summarized prompt, generated by GPT-5, used for both image generation (Nano Banana Pro) and subseq | CODE |
| HIGH | references/youtube-thumbnail.json | 486 | "description": "A cinematic video prompt, generated by GPT-5 and used for Kling 3.0 Omni, describing a four-cut sequ | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | SKILL.md | 146 | ### Step 0: Auto-Update References (MANDATORY, runs every time) | COMMENT |
| LOW | SKILL.md | 172 | ### Step 1: Clarify Vague Requests | COMMENT |
| LOW | SKILL.md | 191 | ### Step 2: Search & Match | COMMENT |
| LOW | SKILL.md | 198 | ### Step 3: Present Results | COMMENT |
| LOW | SKILL.md | 272 | ### Step 4: Handle No Match (Generate Custom Prompt) | COMMENT |
| LOW | SKILL.md | 302 | ### Step 5: Remix & Personalization (Content Illustration Mode Only) | COMMENT |
| LOW | scripts/setup.js | 52 | // Step 1: Fetch manifest — discover categories dynamically | COMMENT |
| LOW | scripts/setup.js | 72 | // Step 2: Clean up stale files not in current manifest | COMMENT |
| LOW | scripts/setup.js | 83 | // Step 3: Download each category file | COMMENT |
| LOW | scripts/setup.js | 103 | // Step 4: Write timestamp | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | references/youtube-thumbnail.json | 1508 | "content": "## 1. Input Variables (Rewrite this)\nGenerate an illustration based on the following information.\n\nUs | CODE |
| MEDIUM | references/youtube-thumbnail.json | 1830 | "content": "Read the motif depicted in the attached image, generate multi-angle shots, and create four scenes divide | CODE |
| MEDIUM | references/comic-storyboard.json | 4914 | "content": "# User Input (Rewrite and submit this)\n【Character Settings】\n{argument name=\"character settings\" defa | CODE |
| MEDIUM | references/comic-storyboard.json | 5009 | "content": "Read the motif depicted in the attached image, generate multi-angle shots, and create four scenes divide | CODE |
| MEDIUM | references/app-web-design.json | 1606 | "content": "Luxury Korean tasting menu, editorial layout, 2+2 large grid composition, 4:5 aspect ratio.\n\nLAYOUT: 2 | CODE |
| MEDIUM | references/app-web-design.json | 1915 | "content": "# Directive (Instruction)\n**Immediately generate** a clean, modern mockup image of the highest quality | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | references/infographic-edu-visual.json | 1069 | "content": "# Instructions\nYou are a professional illustrator and prompt engineer.\nRead the following [Blog Summar | CODE |
| MEDIUM | references/infographic-edu-visual.json | 4022 | "content": "diagram:\n title: \"{argument name=\"diagram title\" default=\"The Cycle of the Generative AI Agent Dev | CODE |
| MEDIUM | references/app-web-design.json | 458 | "content": "# Instructions\nYou are a professional illustrator and prompt engineer.\nRead the following [Blog Summar | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | scripts/setup.js | 52 | // Step 1: Fetch manifest — discover categories dynamically | COMMENT |
| LOW | scripts/setup.js | 72 | // Step 2: Clean up stale files not in current manifest | COMMENT |
| LOW | scripts/setup.js | 83 | // Step 3: Download each category file | COMMENT |
| LOW | scripts/setup.js | 103 | // Step 4: Write timestamp | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | references/infographic-edu-visual.json | 2730 | "content": "Input Variable: {argument name=\"input objects\" default=\"[INSERT 1 or 2 OBJECTS]\"} \nInstruction:\nAc | CODE |